>> the newtown shootings are the subject of the latest edition of inside story from washington. >> the search for answers to the mass killings at sandy hook. is the speculation about the mental health of the gunmen adding to the stigmatization of the mentally ill and doing little to address the root causes? that discussion on inside story, 7:30 p.m. on al-jazeera. >> more good news for the depressed greek economy. standard & poors upgraded its rating. here are the ratings levels given by standard and poor's. aaa means the country should have no problem in meeting its financial commitments. only germany and the netherlands have this rate. before the upgrade, greece's rating had fallen to selective default, which meant it failed to pay on one or more of its obligations. now it was pushed upward to b minus. this shows that greece can meet its financial commitments. i spoke to the fellow at the peterson institute for international economics. >> i think was s&p is catching up to is the improved political goodwill in the rest of the euro area towards the greek economy. yesterday, greece got